Detroit DD15 GHG14 (2014-16) Fault Code: SPN 100 FMI 3 (MCM) Engine Oil Pressure Sensor Circuit Failed High
DESCRIPTION:
Short to voltage or open on Engine Oil Pressure (EOP) circuit.
MONITORED PARAMETER:
Engine oil pressure.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
1. Key on
2. Engine running
EXECUTION FREQUENCY:
Continuous when enabling conditions are met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Check at engine operating temperature.
NOTE: If diagnostic leads to a mechanical (non-electrical) low oil pressure condition, all mains and connecting rods should be inspected.
NOTE: If 100-3, 94-3, and 4407-3 are present, repair the short to power between pin 82 of the 120 pin ECM connector and the engine oil, doser fuel line, and doser fuel compensation sensors.
PROBABLE CAUSES:
1. Engine oil pressure sensor connector/harness.
2. Engine oil pressure sensor.
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